/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.shardingsphere.readwritesplitting.route.standard.filter;

import org.apache.shardingsphere.readwritesplitting.rule.ReadwriteSplittingDataSourceRule;

import java.util.LinkedList;
import java.util.List;

/**
 * Disabled read data sources filter.
 */
public final class DisabledReadDataSourcesFilter implements ReadDataSourcesFilter {
    
    @Override
    public List<String> filter(final ReadwriteSplittingDataSourceRule rule, final List<String> toBeFilteredReadDataSources) {
        List<String> result = new LinkedList<>(toBeFilteredReadDataSources);
        result.removeIf(rule.getDisabledDataSourceNames()::contains);
        return result;
    }
}
